MESON Chess Problem Database
Problem Display
PID: 71087 (3qkr2/3pnbB1/3P2P1/8/4Q3/5R2/6K1/8 w - - 0 1)
Sallay, Bela Albert
Die Schwalbe, 1987
#2
6 + 6
| 5454 | Near Snap | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bxg6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Qa5
- Tries
- 1.Kf1?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Bc4+!
- 1...Bxg6
- 1.Kg1?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Qb6+!
- 1...Bxg6
- 1.Kh1?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Rh8+!
- 1...Bxg6
- 1.Kf2?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Qb6+!
- 1...Bxg6
- 1.Kh2?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Rh8+!
- 1...Bxg6
- 1.Bh6?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Rg8!
- 1...Bxg6
- 1.Rf1?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Qa8!
- 1...Bxg6
- 1.Rf2?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Qa8!
- 1...Bxg6
- 1.Rf4?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Qa8!
- 1...Bxg6
- 1.Rf5?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Qa8!
- 1...Bxg6
- 1.Rf6?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Qa8!
- 1...Bxg6
- 1.Qe1?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Bd5!
- 1...Bxg6
- 1.Qe2?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Bd5!
- 1...Bxg6
- 1.Qe3?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Bd5!
- 1...Bxg6
- 1.Qe5?
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Bd5!
- 1...Bxg6
- 1.Qe6?
- 1...Bxe6
- 2.Rxf8#
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.Qxf7#
- 2.gxf7#
- 1...Rh8
- 2.Qxf7#
- 2.gxf7#
- 1...Bg8
- 2.Rxf8#
- 1...dxe6!
- 1...Bxe6
- 1.Kf1?
- Keys
- 1.Kg3!
- 1...Bxg6
- 2.Rxf8#
- 1...Qa5
- 2.Qxe7#
- 1...Qb6
- 2.Qxe7#
- 1...Qc7
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qb8
- 2.Qxe7#
- 1...Qc8
- 2.Qxe7#
- 1...Rg8
- 2.gxf7#
- 1...Rh8
- 2.gxf7#
- 1...Ba2
- 2.Rxf8#
- 1...Bb3
- 2.Rxf8#
- 1...Bc4
- 2.Rxf8#
- 1...Bd5
- 2.Rxf8#
- 1...Be6
- 2.Rxf8#
- 1...Bg8
- 2.Rxf8#
- 1...Bxg6
- 1.Kg3!
Anticipated by 701(1938)
This is after
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- B(c);OGATE,P_PINR(B),XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE,P_PINR(B)::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE,P_PINR(B)::R1(B),XR(f)
- Refutation
- B(c);CHECK,P_PINR(B)
- Try
- K(A);P-FLIGHT
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- Q(d);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- R(f);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- B(c);OGATE,P_PINR(B),XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE,P_PINR(B)::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE,P_PINR(B)::R1(B),XR(f)
- Refutation
- Q(d);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- Q(d);N_GUARD,P_PINP(D)::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- R(f);CHECK
- Try
- B(F);
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- R(f);P_PINP(E)
- Try
- R(B);
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);OGATE,P_PINQ(C)::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- Q(d);P_PINQ(C)
- Try
- R(B);
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);OGATE,P_PINQ(C)::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- Q(d);P_PINQ(C)
- Try
- R(B);
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);OGATE,P_PINQ(C)::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- Q(d);P_PINQ(C)
- Try
- R(B);
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);OGATE,P_PINQ(C)::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- Q(d);P_PINQ(C)
- Try
- R(B);
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);OGATE,P_PINQ(C)::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- Q(d);P_PINQ(C)
- Try
- Q(C);
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- Q(d);N_GUARD,P_PINR(B)::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- B(c);P_PINR(B)
- Try
- Q(C);
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- Q(d);N_GUARD,P_PINR(B)::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- B(c);P_PINR(B)
- Try
- Q(C);
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- Q(d);N_GUARD,P_PINR(B)::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- B(c);P_PINR(B)
- Try
- Q(C);
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- Q(d);N_GUARD,P_PINR(B)::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
- Refutation
- B(c);P_PINR(B)
- Try
- Q(C);
- Vars
- B(c);N_SPINS(b),OGATE,XQ(C)::R1(B),XR(f)
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- Q(d);N_GUARD,P_PINR(B)::QAR1(C),XS(b)
- B(c);OGATE::R1(B),XR(f)
- Refutation
- P(a);N_SPINS(b),XQ(C)
- Try
- Actual
- K(A);P-FLIGHT
- Vars
- B(c);OGATE,XP(E)::R1(B),XR(f)
- Q(d);N_GUARD::QAR1(C),XS(b)
- Q(d);N_GUARD,P_PINP(D)::QAR1(C),XS(b)
- R(f);N_GUARD::P(E),XB(c)
- B(c);OGATE::R1(B),XR(f)
- B(c);N_SPINS(b),OGATE::R1(B),XR(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).